input.c 88.5 KB
Newer Older
1
2
/*****************************************************************************
 * input.c: input thread
3
 *****************************************************************************
4
 * Copyright (C) 1998-2004 the VideoLAN team
5
 * $Id$
6
 *
7
 * Authors: Christophe Massiot <massiot@via.ecp.fr>
Laurent Aimar's avatar
Laurent Aimar committed
8
 *          Laurent Aimar <fenrir@via.ecp.fr>
9
10
11
12
13
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
14
 *
15
16
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17
18
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
19
 *
20
21
22
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
23
 *****************************************************************************/
Michel Kaempf's avatar
Michel Kaempf committed
24

25
/*****************************************************************************
Michel Kaempf's avatar
Michel Kaempf committed
26
 * Preamble
27
 *****************************************************************************/
28
#include <stdlib.h>
29
#include <ctype.h>
Sam Hocevar's avatar
   
Sam Hocevar committed
30

31
#include <vlc/vlc.h>
32
#include <vlc/input.h>
33
#include <vlc/decoder.h>
34
#include <vlc/vout.h>
Sam Hocevar's avatar
   
Sam Hocevar committed
35

Laurent Aimar's avatar
Laurent Aimar committed
36
#include "input_internal.h"
37

38
#include "stream_output.h"
39
#include "vlc_playlist.h"
40
#include "vlc_interface.h"
zorglub's avatar
zorglub committed
41
#include "vlc_interaction.h"
Sam Hocevar's avatar
   
Sam Hocevar committed
42

43
/*****************************************************************************
Michel Kaempf's avatar
Michel Kaempf committed
44
 * Local prototypes
45
 *****************************************************************************/
Laurent Aimar's avatar
Laurent Aimar committed
46
static  int Run  ( input_thread_t *p_input );
47
static  int RunAndClean  ( input_thread_t *p_input );
Laurent Aimar's avatar
Laurent Aimar committed
48

49
50
51
52
53
static input_thread_t * Create  ( vlc_object_t *, input_item_t *, vlc_bool_t );
static  int             Init    ( input_thread_t *p_input, vlc_bool_t b_quick );
static void             Error   ( input_thread_t *p_input );
static void             End     ( input_thread_t *p_input );
static void             MainLoop( input_thread_t *p_input );
Laurent Aimar's avatar
Laurent Aimar committed
54
55
56
57

static inline int ControlPopNoLock( input_thread_t *, int *, vlc_value_t * );
static void       ControlReduce( input_thread_t * );
static vlc_bool_t Control( input_thread_t *, int, vlc_value_t );
58

59

60
61
static int  UpdateFromAccess( input_thread_t * );
static int  UpdateFromDemux( input_thread_t * );
62
static int  UpdateMeta( input_thread_t *, vlc_bool_t );
Michel Kaempf's avatar
Michel Kaempf committed
63

64
static void UpdateItemLength( input_thread_t *, int64_t i_length, vlc_bool_t );
65

66
67
static void ParseOption( input_thread_t *p_input, const char *psz_option );

68
static void DecodeUrl( char * );
69
static void MRLSections( input_thread_t *, char *, int *, int *, int *, int *);
70
71

static input_source_t *InputSourceNew( input_thread_t *);
Laurent Aimar's avatar
   
Laurent Aimar committed
72
static int  InputSourceInit( input_thread_t *, input_source_t *,
73
74
                             char *, char *psz_forced_demux,
                             vlc_bool_t b_quick );
75
76
77
78
static void InputSourceClean( input_thread_t *, input_source_t * );

static void SlaveDemux( input_thread_t *p_input );
static void SlaveSeek( input_thread_t *p_input );
79

80
81
static vlc_meta_t *InputMetaUser( input_thread_t *p_input );

82
/*****************************************************************************
83
84
 * This function creates a new input, and returns a pointer
 * to its description. On error, it returns NULL.
Laurent Aimar's avatar
Laurent Aimar committed
85
86
87
88
89
90
91
92
93
94
 *
 * Variables for _public_ use:
 * * Get and Set:
 *  - state
 *  - rate,rate-slower, rate-faster
 *  - position, position-offset
 *  - time, time-offset
 *  - title,title-next,title-prev
 *  - chapter,chapter-next, chapter-prev
 *  - program, audio-es, video-es, spu-es
95
 *  - audio-delay, spu-delay
Laurent Aimar's avatar
Laurent Aimar committed
96
97
98
99
 *  - bookmark
 * * Get only:
 *  - length
 *  - bookmarks
100
 *  - seekable (if you can seek, it doesn't say if 'bar display' has be shown or not, for that check position != 0.0)
Laurent Aimar's avatar
Laurent Aimar committed
101
102
103
104
 * * For intf callback upon changes
 *  - intf-change
 * TODO explain when Callback is called
 * TODO complete this list (?)
105
 *****************************************************************************/
106
107
static input_thread_t *Create( vlc_object_t *p_parent, input_item_t *p_item,
                               vlc_bool_t b_quick )
Michel Kaempf's avatar
Michel Kaempf committed
108
{
109
    input_thread_t *p_input;                        /* thread descriptor */
110
111
    vlc_value_t val;
    int i;
112

113
    /* Allocate descriptor */
114
    p_input = vlc_object_create( p_parent, VLC_OBJECT_INPUT );
115
    if( p_input == NULL )
Michel Kaempf's avatar
Michel Kaempf committed
116
    {
117
        msg_Err( p_parent, "out of memory" );
118
        return NULL;
Michel Kaempf's avatar
Michel Kaempf committed
119
    }
120

Laurent Aimar's avatar
Laurent Aimar committed
121
122
123
124
125
126
127
128
    /* Init Common fields */
    p_input->b_eof = VLC_FALSE;
    p_input->b_can_pace_control = VLC_TRUE;
    p_input->i_start = 0;
    p_input->i_time  = 0;
    p_input->i_stop  = 0;
    p_input->i_title = 0;
    p_input->title   = NULL;
129
    p_input->i_title_offset = p_input->i_seekpoint_offset = 0;
Laurent Aimar's avatar
Laurent Aimar committed
130
131
132
133
    p_input->i_state = INIT_S;
    p_input->i_rate  = INPUT_RATE_DEFAULT;
    p_input->i_bookmark = 0;
    p_input->bookmark = NULL;
134
    p_input->p_meta  = NULL;
Laurent Aimar's avatar
Laurent Aimar committed
135
136
    p_input->p_es_out = NULL;
    p_input->p_sout  = NULL;
137
    p_input->b_out_pace_control = VLC_FALSE;
Laurent Aimar's avatar
Laurent Aimar committed
138
139
140
141
142
143
144
145
146
147
    p_input->i_pts_delay = 0;

    /* Init Input fields */
    p_input->input.p_item = p_item;
    p_input->input.p_access = NULL;
    p_input->input.p_stream = NULL;
    p_input->input.p_demux  = NULL;
    p_input->input.b_title_demux = VLC_FALSE;
    p_input->input.i_title  = 0;
    p_input->input.title    = NULL;
148
    p_input->input.i_title_offset = p_input->input.i_seekpoint_offset = 0;
Laurent Aimar's avatar
Laurent Aimar committed
149
150
151
152
    p_input->input.b_can_pace_control = VLC_TRUE;
    p_input->input.b_eof = VLC_FALSE;
    p_input->input.i_cr_average = 0;

153
154
155
156
    /* No slave */
    p_input->i_slave = 0;
    p_input->slave   = NULL;

Laurent Aimar's avatar
Laurent Aimar committed
157
158
159
    /* Init control buffer */
    vlc_mutex_init( p_input, &p_input->lock_control );
    p_input->i_control = 0;
160

gbazin's avatar
   
gbazin committed
161
    /* Parse input options */
162
163
    vlc_mutex_lock( &p_item->lock );
    for( i = 0; i < p_item->i_options; i++ )
gbazin's avatar
   
gbazin committed
164
    {
165
        ParseOption( p_input, p_item->ppsz_options[i] );
gbazin's avatar
   
gbazin committed
166
    }
167
    vlc_mutex_unlock( &p_item->lock );
gbazin's avatar
   
gbazin committed
168

Laurent Aimar's avatar
Laurent Aimar committed
169
170
    /* Create Object Variables for private use only */
    input_ConfigVarInit( p_input );
Michel Kaempf's avatar
Michel Kaempf committed
171

Laurent Aimar's avatar
Laurent Aimar committed
172
173
174
    /* Create Objects variables for public Get and Set */
    input_ControlVarInit( p_input );
    p_input->input.i_cr_average = var_GetInteger( p_input, "cr-average" );
gbazin's avatar
gbazin committed
175

176
    if( !b_quick )
gbazin's avatar
gbazin committed
177
    {
178
179
        var_Get( p_input, "bookmarks", &val );
        if( val.psz_string )
gbazin's avatar
gbazin committed
180
        {
181
182
183
184
            /* FIXME: have a common cfg parsing routine used by sout and others */
            char *psz_parser, *psz_start, *psz_end;
            psz_parser = val.psz_string;
            while( (psz_start = strchr( psz_parser, '{' ) ) )
gbazin's avatar
gbazin committed
185
            {
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
                 seekpoint_t *p_seekpoint = vlc_seekpoint_New();
                 char backup;
                 psz_start++;
                 psz_end = strchr( psz_start, '}' );
                 if( !psz_end ) break;
                 psz_parser = psz_end + 1;
                 backup = *psz_parser;
                 *psz_parser = 0;
                 *psz_end = ',';
                 while( (psz_end = strchr( psz_start, ',' ) ) )
                 {
                     *psz_end = 0;
                     if( !strncmp( psz_start, "name=", 5 ) )
                     {
                         p_seekpoint->psz_name = psz_start + 5;
                     }
                     else if( !strncmp( psz_start, "bytes=", 6 ) )
                     {
                         p_seekpoint->i_byte_offset = atoll(psz_start + 6);
                     }
                     else if( !strncmp( psz_start, "time=", 5 ) )
                     {
                         p_seekpoint->i_time_offset = atoll(psz_start + 5) * 1000000;
                     }
                     psz_start = psz_end + 1;
gbazin's avatar
gbazin committed
211
                }
212
213
214
215
216
217
                msg_Dbg( p_input, "adding bookmark: %s, bytes="I64Fd", time="I64Fd,
                                  p_seekpoint->psz_name, p_seekpoint->i_byte_offset,
                                  p_seekpoint->i_time_offset );
                input_Control( p_input, INPUT_ADD_BOOKMARK, p_seekpoint );
                vlc_seekpoint_Delete( p_seekpoint );
                *psz_parser = backup;
gbazin's avatar
gbazin committed
218
            }
219
            free( val.psz_string );
gbazin's avatar
gbazin committed
220
221
222
        }
    }

223
224
    /* Remove 'Now playing' info as it is probably outdated */
    input_Control( p_input, INPUT_DEL_INFO, _("Meta-information"),
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
                    VLC_META_NOW_PLAYING );

    return p_input;
}

/**
 * Initialize an input thread and run it. You will need to monitor the thread to clean
 * up after it is done
 *
 * \param p_parent a vlc_object
 * \param p_item an input item
 * \return a pointer to the spawned input thread
 */
input_thread_t *__input_CreateThread( vlc_object_t *p_parent,
                                      input_item_t *p_item )
240

241
242
243
244
{
    input_thread_t *p_input;                        /* thread descriptor */

    p_input = Create( p_parent, p_item, VLC_FALSE );
Laurent Aimar's avatar
Laurent Aimar committed
245
    /* Now we can attach our new input */
246
    vlc_object_attach( p_input, p_parent );
Sam Hocevar's avatar
   
Sam Hocevar committed
247

Sam Hocevar's avatar
Sam Hocevar committed
248
    /* Create thread and wait for its readiness. */
Laurent Aimar's avatar
Laurent Aimar committed
249
    if( vlc_thread_create( p_input, "input", Run,
250
                            VLC_THREAD_PRIORITY_INPUT, VLC_TRUE ) )
Michel Kaempf's avatar
Michel Kaempf committed
251
    {
252
        msg_Err( p_input, "cannot create input thread" );
Laurent Aimar's avatar
Laurent Aimar committed
253
254
        vlc_object_detach( p_input );
        vlc_object_destroy( p_input );
255
        return NULL;
Michel Kaempf's avatar
Michel Kaempf committed
256
    }
257

258
    return p_input;
Michel Kaempf's avatar
Michel Kaempf committed
259
260
}

261
262
263
264
265
266
267
268
269
270
271

/**
 * Initialize an input thread and run it. This thread will clean after himself,
 * you can forget about it. It can work either in blocking or non-blocking mode
 *
 * \param p_parent a vlc_object
 * \param p_item an input item
 * \param b_block should we block until read is finished ?
 */
void __input_Read( vlc_object_t *p_parent, input_item_t *p_item,
                   vlc_bool_t b_block )
272
273
274
{
    input_thread_t *p_input;                        /* thread descriptor */

275
276
277
278
279
    p_input = Create( p_parent, p_item, VLC_FALSE );
    /* Now we can attach our new input */
    vlc_object_attach( p_input, p_parent );

    if( b_block )
280
    {
281
        RunAndClean( p_input );
282
    }
283
    else
284
    {
285
286
287
288
289
290
291
292
        if( vlc_thread_create( p_input, "input", RunAndClean,
                               VLC_THREAD_PRIORITY_INPUT, VLC_TRUE ) )
        {
            msg_Err( p_input, "cannot create input thread" );
            vlc_object_detach( p_input );
            vlc_object_destroy( p_input );
            return;
        }
293
    }
294
}
295

296
297
298
299
300
301
302
303
304
305
306
/**
 * Initialize an input and initialize it to preparse the item
 * This function is blocking. It will only accept to parse files
 *
 * \param p_parent a vlc_object_t
 * \param p_item an input item
 * \return VLC_SUCCESS or an error
 */
int __input_Preparse( vlc_object_t *p_parent, input_item_t *p_item )
{
    input_thread_t *p_input;                        /* thread descriptor */
307

308
309
    /* Allocate descriptor */
    p_input = Create( p_parent, p_item, VLC_TRUE );
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334

    /* Now we can attach our new input */
    vlc_object_attach( p_input, p_parent );

    Init( p_input, VLC_TRUE );

    /* Clean up master */
    InputSourceClean( p_input, &p_input->input );

    /* Kill access and demux */
    if( p_input->input.p_access ) p_input->input.p_access->b_die = VLC_TRUE;
    if( p_input->input.p_demux ) p_input->input.p_access->b_die = VLC_TRUE;

    /* Unload all modules */
    if( p_input->p_es_out ) input_EsOutDelete( p_input->p_es_out );

    /* Delete meta */
    if( p_input->p_meta ) vlc_meta_Delete( p_input->p_meta );

    vlc_object_detach( p_input );
    vlc_object_destroy( p_input );

    return VLC_SUCCESS;
}

335
336
337
338
339
/**
 * Request a running input thread to stop and die
 *
 * \param the input thread to stop
 */
Sam Hocevar's avatar
Sam Hocevar committed
340
void input_StopThread( input_thread_t *p_input )
Michel Kaempf's avatar
Michel Kaempf committed
341
{
Laurent Aimar's avatar
Laurent Aimar committed
342
343
    vlc_list_t *p_list;
    int i;
344

Laurent Aimar's avatar
Laurent Aimar committed
345
346
    /* Set die for input */
    p_input->b_die = VLC_TRUE;
347

Laurent Aimar's avatar
Laurent Aimar committed
348
349
    /* We cannot touch p_input fields directly (we can from another thread),
     * so use the vlc_object_find way, it's perfectly safe */
350

Laurent Aimar's avatar
Laurent Aimar committed
351
352
353
    /* Set die for all access */
    p_list = vlc_list_find( p_input, VLC_OBJECT_ACCESS, FIND_CHILD );
    for( i = 0; i < p_list->i_count; i++ )
354
    {
Laurent Aimar's avatar
Laurent Aimar committed
355
        p_list->p_values[i].p_object->b_die = VLC_TRUE;
356
    }
Laurent Aimar's avatar
Laurent Aimar committed
357
    vlc_list_release( p_list );
358

Laurent Aimar's avatar
Laurent Aimar committed
359
360
361
    /* Set die for all stream */
    p_list = vlc_list_find( p_input, VLC_OBJECT_STREAM, FIND_CHILD );
    for( i = 0; i < p_list->i_count; i++ )
362
    {
Laurent Aimar's avatar
Laurent Aimar committed
363
        p_list->p_values[i].p_object->b_die = VLC_TRUE;
364
    }
Laurent Aimar's avatar
Laurent Aimar committed
365
    vlc_list_release( p_list );
366

Laurent Aimar's avatar
Laurent Aimar committed
367
368
369
370
371
372
373
    /* Set die for all demux */
    p_list = vlc_list_find( p_input, VLC_OBJECT_DEMUX, FIND_CHILD );
    for( i = 0; i < p_list->i_count; i++ )
    {
        p_list->p_values[i].p_object->b_die = VLC_TRUE;
    }
    vlc_list_release( p_list );
Michel Kaempf's avatar
Michel Kaempf committed
374

Laurent Aimar's avatar
Laurent Aimar committed
375
    input_ControlPush( p_input, INPUT_CONTROL_SET_DIE, NULL );
Sam Hocevar's avatar
   
Sam Hocevar committed
376
377
}

378
379
380
381
382
383
/**
 * Clean up a dead input thread
 * This function does not return until the thread is effectively cancelled.
 *
 * \param the input thread to kill
 */
Sam Hocevar's avatar
   
Sam Hocevar committed
384
385
386
void input_DestroyThread( input_thread_t *p_input )
{
    /* Join the thread */
387
    vlc_thread_join( p_input );
Sam Hocevar's avatar
   
Sam Hocevar committed
388

Laurent Aimar's avatar
Laurent Aimar committed
389
390
391
392
393
    /* Delete input lock (only after thread joined) */
    vlc_mutex_destroy( &p_input->lock_control );

    /* TODO: maybe input_DestroyThread should also delete p_input instead
     * of the playlist but I'm not sure if it's possible */
Michel Kaempf's avatar
Michel Kaempf committed
394
395
}

396
/*****************************************************************************
Laurent Aimar's avatar
Laurent Aimar committed
397
 * Run: main thread loop
398
399
 * This is the "normal" thread that spawns the input processing chain,
 * reads the stream, cleans up and waits
400
 *****************************************************************************/
Laurent Aimar's avatar
Laurent Aimar committed
401
static int Run( input_thread_t *p_input )
Michel Kaempf's avatar
Michel Kaempf committed
402
{
403

Laurent Aimar's avatar
Laurent Aimar committed
404
    /* Signal that the thread is launched */
Sam Hocevar's avatar
Sam Hocevar committed
405
406
    vlc_thread_ready( p_input );

407
    if( Init( p_input, VLC_FALSE ) )
Sam Hocevar's avatar
   
Sam Hocevar committed
408
409
    {
        /* If we failed, wait before we are killed, and exit */
Laurent Aimar's avatar
Laurent Aimar committed
410
        p_input->b_error = VLC_TRUE;
411

Laurent Aimar's avatar
Laurent Aimar committed
412
        Error( p_input );
413
414

        /* Tell we're dead */
Laurent Aimar's avatar
Laurent Aimar committed
415
        p_input->b_dead = VLC_TRUE;
416

Sam Hocevar's avatar
   
Sam Hocevar committed
417
        return 0;
Sam Hocevar's avatar
   
Sam Hocevar committed
418
    }
Michel Kaempf's avatar
Michel Kaempf committed
419

420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
    MainLoop( p_input );

    if( !p_input->b_eof && !p_input->b_error && p_input->input.b_eof )
    {
        /* We have finish to demux data but not to play them */
        while( !p_input->b_die )
        {
            if( input_EsOutDecodersEmpty( p_input->p_es_out ) )
                break;

            msg_Dbg( p_input, "waiting decoder fifos to empty" );

            msleep( INPUT_IDLE_SLEEP );
        }

        /* We have finished */
        p_input->b_eof = VLC_TRUE;
    }

    /* Wait we are asked to die */
    if( !p_input->b_die )
    {
        Error( p_input );
    }

    /* Clean up */
    End( p_input );

    return 0;
}

/*****************************************************************************
 * RunAndClean: main thread loop
 * This is the "just forget me" thread that spawns the input processing chain,
 * reads the stream, cleans up and releases memory
 *****************************************************************************/
static int RunAndClean( input_thread_t *p_input )
{
    /* Signal that the thread is launched */
    vlc_thread_ready( p_input );

    if( Init( p_input, VLC_FALSE ) )
    {
        /* If we failed, just exit */
        return 0;
    }

    MainLoop( p_input );

    if( !p_input->b_eof && !p_input->b_error && p_input->input.b_eof )
    {
        /* We have finish to demux data but not to play them */
        while( !p_input->b_die )
        {
            if( input_EsOutDecodersEmpty( p_input->p_es_out ) )
                break;

            msg_Dbg( p_input, "waiting decoder fifos to empty" );

            msleep( INPUT_IDLE_SLEEP );
        }
        /* We have finished */
        p_input->b_eof = VLC_TRUE;
    }

    /* Clean up */
    End( p_input );

    /* Release memory */
    vlc_object_detach( p_input );
    vlc_object_destroy( p_input );

    return 0;
}


/*****************************************************************************
 * Main loop: Fill buffers from access, and demux
 *****************************************************************************/
static void MainLoop( input_thread_t *p_input )
{
    int64_t i_intf_update = 0;
502
    while( !p_input->b_die && !p_input->b_error && !p_input->input.b_eof )
Sam Hocevar's avatar
   
Sam Hocevar committed
503
    {
Laurent Aimar's avatar
Laurent Aimar committed
504
505
506
507
        vlc_bool_t b_force_update = VLC_FALSE;
        int i_ret;
        int i_type;
        vlc_value_t val;
508

Laurent Aimar's avatar
Laurent Aimar committed
509
510
        /* Do the read */
        if( p_input->i_state != PAUSE_S  )
511
        {
Laurent Aimar's avatar
Laurent Aimar committed
512
513
514
515
            if( p_input->i_stop <= 0 || p_input->i_time < p_input->i_stop )
                i_ret=p_input->input.p_demux->pf_demux(p_input->input.p_demux);
            else
                i_ret = 0;  /* EOF */
516

Laurent Aimar's avatar
Laurent Aimar committed
517
518
519
520
521
522
            if( i_ret > 0 )
            {
                /* TODO */
                if( p_input->input.b_title_demux &&
                    p_input->input.p_demux->info.i_update )
                {
523
                    i_ret = UpdateFromDemux( p_input );
Laurent Aimar's avatar
Laurent Aimar committed
524
525
526
527
528
529
                    b_force_update = VLC_TRUE;
                }
                else if( !p_input->input.b_title_demux &&
                          p_input->input.p_access &&
                          p_input->input.p_access->info.i_update )
                {
530
                    i_ret = UpdateFromAccess( p_input );
Laurent Aimar's avatar
Laurent Aimar committed
531
532
533
                    b_force_update = VLC_TRUE;
                }
            }
534
535

            if( i_ret == 0 )    /* EOF */
Laurent Aimar's avatar
Laurent Aimar committed
536
537
            {
                vlc_value_t repeat;
538

Laurent Aimar's avatar
Laurent Aimar committed
539
540
541
542
543
544
545
546
547
                var_Get( p_input, "input-repeat", &repeat );
                if( repeat.i_int == 0 )
                {
                    /* End of file - we do not set b_die because only the
                     * playlist is allowed to do so. */
                    msg_Dbg( p_input, "EOF reached" );
                    p_input->input.b_eof = VLC_TRUE;
                }
                else
548
                {
gbazin's avatar
gbazin committed
549
550
                    msg_Dbg( p_input, "repeating the same input (%d)",
                             repeat.i_int );
Laurent Aimar's avatar
Laurent Aimar committed
551
552
553
554
555
                    if( repeat.i_int > 0 )
                    {
                        repeat.i_int--;
                        var_Set( p_input, "input-repeat", repeat );
                    }
556

557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
                    /* Seek to start title/seekpoint */
                    val.i_int = p_input->input.i_title_start -
                        p_input->input.i_title_offset;
                    if( val.i_int < 0 || val.i_int >= p_input->input.i_title )
                        val.i_int = 0;
                    input_ControlPush( p_input,
                                       INPUT_CONTROL_SET_TITLE, &val );

                    val.i_int = p_input->input.i_seekpoint_start -
                        p_input->input.i_seekpoint_offset;
                    if( val.i_int > 0 /* TODO: check upper boundary */ )
                        input_ControlPush( p_input,
                                           INPUT_CONTROL_SET_SEEKPOINT, &val );

                    /* Seek to start position */
Laurent Aimar's avatar
Laurent Aimar committed
572
573
574
575
576
577
578
579
580
581
582
583
                    if( p_input->i_start > 0 )
                    {
                        val.i_time = p_input->i_start;
                        input_ControlPush( p_input, INPUT_CONTROL_SET_TIME,
                                           &val );
                    }
                    else
                    {
                        val.f_float = 0.0;
                        input_ControlPush( p_input, INPUT_CONTROL_SET_POSITION,
                                           &val );
                    }
584
585
                }
            }
Laurent Aimar's avatar
Laurent Aimar committed
586
587
588
589
            else if( i_ret < 0 )
            {
                p_input->b_error = VLC_TRUE;
            }
590
591
592
593
594

            if( i_ret > 0 && p_input->i_slave > 0 )
            {
                SlaveDemux( p_input );
            }
595
        }
Laurent Aimar's avatar
Laurent Aimar committed
596
        else
597
        {
Laurent Aimar's avatar
Laurent Aimar committed
598
599
600
            /* Small wait */
            msleep( 10*1000 );
        }
601

Laurent Aimar's avatar
Laurent Aimar committed
602
603
604
605
606
607
608
609
610
611
        /* Handle control */
        vlc_mutex_lock( &p_input->lock_control );
        ControlReduce( p_input );
        while( !ControlPopNoLock( p_input, &i_type, &val ) )
        {
            msg_Dbg( p_input, "control type=%d", i_type );
            if( Control( p_input, i_type, val ) )
                b_force_update = VLC_TRUE;
        }
        vlc_mutex_unlock( &p_input->lock_control );
612

613
        if( b_force_update || i_intf_update < mdate() )
Laurent Aimar's avatar
Laurent Aimar committed
614
615
616
617
618
        {
            vlc_value_t val;
            double f_pos;
            int64_t i_time, i_length;
            /* update input status variables */
gbazin's avatar
gbazin committed
619
620
            if( !demux2_Control( p_input->input.p_demux,
                                 DEMUX_GET_POSITION, &f_pos ) )
Laurent Aimar's avatar
Laurent Aimar committed
621
622
623
624
            {
                val.f_float = (float)f_pos;
                var_Change( p_input, "position", VLC_VAR_SETVALUE, &val, NULL );
            }
gbazin's avatar
gbazin committed
625
626
            if( !demux2_Control( p_input->input.p_demux,
                                 DEMUX_GET_TIME, &i_time ) )
Laurent Aimar's avatar
Laurent Aimar committed
627
628
629
630
631
            {
                p_input->i_time = i_time;
                val.i_time = i_time;
                var_Change( p_input, "time", VLC_VAR_SETVALUE, &val, NULL );
            }
gbazin's avatar
gbazin committed
632
633
            if( !demux2_Control( p_input->input.p_demux,
                                 DEMUX_GET_LENGTH, &i_length ) )
Laurent Aimar's avatar
Laurent Aimar committed
634
635
636
637
638
            {
                vlc_value_t old_val;
                var_Get( p_input, "length", &old_val );
                val.i_time = i_length;
                var_Change( p_input, "length", VLC_VAR_SETVALUE, &val, NULL );
639

Laurent Aimar's avatar
Laurent Aimar committed
640
                if( old_val.i_time != val.i_time )
641
                {
642
                    UpdateItemLength( p_input, i_length, VLC_TRUE );
643
644
                }
            }
Laurent Aimar's avatar
Laurent Aimar committed
645
646
647

            var_SetBool( p_input, "intf-change", VLC_TRUE );
            i_intf_update = mdate() + I64C(150000);
648
        }
Laurent Aimar's avatar
Laurent Aimar committed
649
    }
650
651
}

652
653

static int Init( input_thread_t * p_input, vlc_bool_t b_quick )
Michel Kaempf's avatar
Michel Kaempf committed
654
{
Laurent Aimar's avatar
Laurent Aimar committed
655
    char *psz;
Laurent Aimar's avatar
   
Laurent Aimar committed
656
    char *psz_subtitle;
Laurent Aimar's avatar
Laurent Aimar committed
657
    vlc_value_t val;
Laurent Aimar's avatar
   
Laurent Aimar committed
658
    double f_fps;
659
    vlc_meta_t *p_meta, *p_meta_tmp;
660
    int i_es_out_mode;
zorglub's avatar
zorglub committed
661
    int i, i_delay;
662

663
664
665
666
667
668
669
    /* Initialize optional stream output. (before access/demuxer)
     * XXX: we add a special case if the uri starts by vlc.
     * else 'vlc in.file --sout "" vlc:quit'  cannot work (the output will
     * be destroyed in case of a file).
     * (this will break playing of file starting by 'vlc:' but I don't
     * want to add more logic, just force file by file:// or code it ;)
     */
670
    if( !b_quick )
671
    {
672
        psz = var_GetString( p_input, "sout" );
673
        if( *psz && strncasecmp( p_input->input.p_item->psz_uri, "vlc:", 4 ) )
674
        {
675
676
677
            p_input->p_sout = sout_NewInstance( p_input, psz );
            if( p_input->p_sout == NULL )
            {
gbazin's avatar
gbazin committed
678
                msg_Err( p_input, "cannot start stream output instance, " \
679
680
681
682
                                  "aborting" );
                free( psz );
                return VLC_EGENERIC;
            }
683
        }
684
        free( psz );
685
    }
Christophe Massiot's avatar
Christophe Massiot committed
686

Laurent Aimar's avatar
Laurent Aimar committed
687
    /* Create es out */
688
    p_input->p_es_out = input_EsOutNew( p_input );
689
690
    es_out_Control( p_input->p_es_out, ES_OUT_SET_ACTIVE, VLC_FALSE );
    es_out_Control( p_input->p_es_out, ES_OUT_SET_MODE, ES_OUT_MODE_NONE );
691

692
    if( InputSourceInit( p_input, &p_input->input,
693
                         p_input->input.p_item->psz_uri, NULL, b_quick ) )
694
    {
695
        goto error;
Laurent Aimar's avatar
Laurent Aimar committed
696
    }
697

698
    /* Create global title (from master) */
699
    if( !b_quick )
700
    {
701
702
703
704
705
706
707
708
709
710
        p_input->i_title = p_input->input.i_title;
        p_input->title   = p_input->input.title;
        p_input->i_title_offset = p_input->input.i_title_offset;
        p_input->i_seekpoint_offset = p_input->input.i_seekpoint_offset;
        if( p_input->i_title > 0 )
        {
            /* Setup variables */
            input_ControlVarNavigation( p_input );
            input_ControlVarTitle( p_input, 0 );
        }
711

712
713
714
        /* Global flag */
        p_input->b_can_pace_control = p_input->input.b_can_pace_control;
        p_input->b_can_pause        = p_input->input.b_can_pause;
Laurent Aimar's avatar
Laurent Aimar committed
715

716
        /* Fix pts delay */
717
718
        if( p_input->i_pts_delay < 0 )
            p_input->i_pts_delay = 0;
719

720
721
722
723
        /* If the desynchronisation requested by the user is < 0, we need to
         * cache more data. */
        var_Get( p_input, "audio-desync", &val );
        if( val.i_int < 0 ) p_input->i_pts_delay -= (val.i_int * 1000);
gbazin's avatar
   
gbazin committed
724

725
726
727
        /* Update cr_average depending on the caching */
        p_input->input.i_cr_average *= (10 * p_input->i_pts_delay / 200000);
        p_input->input.i_cr_average /= 10;
728
        if( p_input->input.i_cr_average < 10 ) p_input->input.i_cr_average = 10;
729
    }
730

731
    /* Load master infos */
Laurent Aimar's avatar
Laurent Aimar committed
732
    /* Init length */
gbazin's avatar
gbazin committed
733
734
    if( !demux2_Control( p_input->input.p_demux, DEMUX_GET_LENGTH,
                         &val.i_time ) && val.i_time > 0 )
Laurent Aimar's avatar
Laurent Aimar committed
735
736
    {
        var_Change( p_input, "length", VLC_VAR_SETVALUE, &val, NULL );
737
        UpdateItemLength( p_input, val.i_time, b_quick );
zorglub's avatar
zorglub committed
738
        p_input->input.p_item->i_duration = val.i_time;
Laurent Aimar's avatar
Laurent Aimar committed
739
    }
740
741

    /* Start title/chapter */
742
    if( !b_quick )
Laurent Aimar's avatar
Laurent Aimar committed
743
    {
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
        val.i_int = p_input->input.i_title_start -
                    p_input->input.i_title_offset;
        if( val.i_int > 0 && val.i_int < p_input->input.i_title )
            input_ControlPush( p_input, INPUT_CONTROL_SET_TITLE, &val );
        val.i_int = p_input->input.i_seekpoint_start -
                    p_input->input.i_seekpoint_offset;
        if( val.i_int > 0 /* TODO: check upper boundary */ )
            input_ControlPush( p_input, INPUT_CONTROL_SET_SEEKPOINT, &val );

        /* Start time*/
        /* Set start time */
        p_input->i_start = (int64_t)var_GetInteger( p_input, "start-time" ) *
                           I64C(1000000);
        p_input->i_stop  = (int64_t)var_GetInteger( p_input, "stop-time" ) *
                           I64C(1000000);

        if( p_input->i_start > 0 )
761
        {
762
763
764
765
766
767
768
            if( p_input->i_start >= val.i_time )
            {
                msg_Warn( p_input, "invalid start-time ignored" );
            }
            else
            {
                vlc_value_t s;
Laurent Aimar's avatar
Laurent Aimar committed
769

zorglub's avatar
zorglub committed
770
                msg_Dbg( p_input, "starting at time: %ds",
771
                                  (int)( p_input->i_start / I64C(1000000) ) );
Laurent Aimar's avatar
Laurent Aimar committed
772

773
774
775
                s.i_time = p_input->i_start;
                input_ControlPush( p_input, INPUT_CONTROL_SET_TIME, &s );
            }
776
        }
777
        if( p_input->i_stop > 0 && p_input->i_stop <= p_input->i_start )
Laurent Aimar's avatar
   
Laurent Aimar committed
778
        {
779
780
            msg_Warn( p_input, "invalid stop-time ignored" );
            p_input->i_stop = 0;
Laurent Aimar's avatar
   
Laurent Aimar committed
781
782
        }

zorglub's avatar
zorglub committed
783

784
785
786
787
788
789
        /* Load subtitles */
        /* Get fps and set it if not already set */
        if( !demux2_Control( p_input->input.p_demux, DEMUX_GET_FPS, &f_fps ) &&
            f_fps > 1.0 )
        {
            float f_requested_fps;
zorglub's avatar
zorglub committed
790

791
792
            var_Create( p_input, "sub-original-fps", VLC_VAR_FLOAT );
            var_SetFloat( p_input, "sub-original-fps", f_fps );
zorglub's avatar
zorglub committed
793

794
795
796
797
798
799
800
801
            f_requested_fps = var_CreateGetFloat( p_input, "sub-fps" );
            if( f_requested_fps != f_fps )
            {
                var_Create( p_input, "sub-fps", VLC_VAR_FLOAT|
                                                VLC_VAR_DOINHERIT );
                var_SetFloat( p_input, "sub-fps", f_requested_fps );
            }
        }
Laurent Aimar's avatar
   
Laurent Aimar committed
802

803
804
805
806
807
        i_delay = var_CreateGetInteger( p_input, "sub-delay" );
        if( i_delay != 0 )
        {
            var_SetTime( p_input, "spu-delay", (mtime_t)i_delay * 100000 );
        }
Laurent Aimar's avatar
   
Laurent Aimar committed
808
809


810
811
812
        /* Look for and add subtitle files */
        psz_subtitle = var_GetString( p_input, "sub-file" );
        if( *psz_subtitle )
Laurent Aimar's avatar
   
Laurent Aimar committed
813
        {
814
815
816
817
818
            input_source_t *sub;
            vlc_value_t count;
            vlc_value_t list;

            msg_Dbg( p_input, "forced subtitle: %s", psz_subtitle );
Laurent Aimar's avatar
   
Laurent Aimar committed
819

820
821
822
823
824
825
            var_Change( p_input, "spu-es", VLC_VAR_CHOICESCOUNT, &count, NULL );

            /* */
            sub = InputSourceNew( p_input );
            if( !InputSourceInit( p_input, sub, psz_subtitle, "subtitle",
                                  VLC_FALSE ) )
Laurent Aimar's avatar
   
Laurent Aimar committed
826
            {
827
                TAB_APPEND( p_input->i_slave, p_input->slave, sub );
Laurent Aimar's avatar
   
Laurent Aimar committed
828

829
830
831
                /* Select the ES */
                if( !var_Change( p_input, "spu-es", VLC_VAR_GETLIST, &list,
                                 NULL ) )
Laurent Aimar's avatar
   
Laurent Aimar committed
832
                {
833
834
835
836
837
838
839
840
841
842
843
                    if( count.i_int == 0 )
                        count.i_int++;
                        /* if it was first one, there is disable too */

                    if( count.i_int < list.p_list->i_count )
                    {
                        input_ControlPush( p_input, INPUT_CONTROL_SET_ES,
                                          &list.p_list->p_values[count.i_int] );
                    }
                    var_Change( p_input, "spu-es", VLC_VAR_FREELIST, &list,
                                NULL );
Laurent Aimar's avatar
   
Laurent Aimar committed
844
845
846
                }
            }
        }
847

848
849
        var_Get( p_input, "sub-autodetect-file", &val );
        if( val.b_bool )
Laurent Aimar's avatar
   
Laurent Aimar committed
850
        {
851
            char *psz_autopath = var_GetString( p_input, "sub-autodetect-path" );
852
853
854
855
            char **subs = subtitles_Detect( p_input, psz_autopath,
                                            p_input->input.p_item->psz_uri );
            input_source_t *sub;

856
            for( i = 0; subs && subs[i]; i++ )
Laurent Aimar's avatar
   
Laurent Aimar committed
857
            {
858
                if( strcmp( psz_subtitle, subs[i] ) )
Laurent Aimar's avatar
   
Laurent Aimar committed
859
                {
860
861
862
863
864
865
                    sub = InputSourceNew( p_input );
                    if( !InputSourceInit( p_input, sub, subs[i], "subtitle",
                                          VLC_FALSE ) )
                    {
                         TAB_APPEND( p_input->i_slave, p_input->slave, sub );
                    }
Laurent Aimar's avatar
   
Laurent Aimar committed
866
                }
867
                free( subs[i] );
Laurent Aimar's avatar
   
Laurent Aimar committed
868
            }
869
870
            if( subs ) free( subs );
            if( psz_autopath ) free( psz_autopath );
Laurent Aimar's avatar
   
Laurent Aimar committed
871
        }
872
        free( psz_subtitle );
873

874
875
876
        /* Look for slave */
        psz = var_GetString( p_input, "input-slave" );
        if( *psz )
877
        {
878
879
880
            char *psz_delim;
            input_source_t *slave;
            while( psz && *psz )
881
            {
882
883
884
885
886
887
888
889
890
891
892
893
                while( *psz == ' ' || *psz == '#' )
                {
                    psz++;
                }
                if( ( psz_delim = strchr( psz, '#' ) ) )
                {
                    *psz_delim++ = '\0';
                }
                if( *psz == 0 )
                {
                    break;
                }
894

zorglub's avatar
zorglub committed
895
                msg_Dbg( p_input, "adding slave input '%s'", psz );
896
897
898
899
900
901
                slave = InputSourceNew( p_input );
                if( !InputSourceInit( p_input, slave, psz, NULL, VLC_FALSE ) )
                {
                    TAB_APPEND( p_input->i_slave, p_input->slave, slave );
                }
                psz = psz_delim;
902
903
            }
        }
904
905
906
907
908
909
        if( psz ) free( psz );
    }
    else
    {
        p_input->i_start = 0;
        p_input->i_start = 0;
910
    }
Laurent Aimar's avatar
Laurent Aimar committed
911
912

    /* Set up es_out */
913
    if( !b_quick )
Laurent Aimar's avatar
Laurent Aimar committed
914
    {
915
916
917
918
        es_out_Control( p_input->p_es_out, ES_OUT_SET_ACTIVE, VLC_TRUE );
        i_es_out_mode = ES_OUT_MODE_AUTO;
        val.p_list = NULL;
        if( p_input->p_sout )
919
        {
920
921
            var_Get( p_input, "sout-all", &val );
            if ( val.b_bool )
922
            {
923
924
                i_es_out_mode = ES_OUT_MODE_ALL;
                val.p_list = NULL;
925
926
            }
            else
927
928
929
930
931
932
933
934
935
936
937
            {
                var_Get( p_input, "programs", &val );
                if ( val.p_list && val.p_list->i_count )
                {
                    i_es_out_mode = ES_OUT_MODE_PARTIAL;
                    /* Note : we should remove the "program" callback. */
                }
                else
                    var_Change( p_input, "programs", VLC_VAR_FREELIST, &val,
                                NULL );
            }
938
        }
939
        es_out_Control( p_input->p_es_out, ES_OUT_SET_MODE, i_es_out_mode );
940

941
942
        /* Inform the demuxer about waited group (needed only for DVB) */
        if( i_es_out_mode == ES_OUT_MODE_ALL )
Laurent Aimar's avatar
Laurent Aimar committed
943
        {
944
945
946
947
948
949
            demux2_Control( p_input->input.p_demux, DEMUX_SET_GROUP, -1, NULL );
        }
        else if( i_es_out_mode == ES_OUT_MODE_PARTIAL )
        {
            demux2_Control( p_input->input.p_demux, DEMUX_SET_GROUP, -1,
                            val.p_list );
950
        }
Laurent Aimar's avatar
Laurent Aimar committed
951
952
        else
        {
953
954
955
956
957
958
959
960
961
962
963
964
965
966
            demux2_Control( p_input->input.p_demux, DEMUX_SET_GROUP,
                           (int) var_GetInteger( p_input, "program" ), NULL );
        }

        if( p_input->p_sout )
        {
            if( p_input->p_sout->i_out_pace_nocontrol > 0 )
            {
                p_input->b_out_pace_control = VLC_FALSE;
            }
            else
            {
                p_input->b_out_pace_control = VLC_TRUE;
            }
967
968
969
970
971
972
973
974

            if( p_input->b_can_pace_control && p_input->b_out_pace_control )
            {
                /* We don't want a high input priority here or we'll
                 * end-up sucking up all the CPU time */
                vlc_thread_set_priority( p_input, VLC_THREAD_PRIORITY_LOW );
            }

975
976
            msg_Dbg( p_input, "starting in %s mode",
                     p_input->b_out_pace_control ? "asynch" : "synch" );
Laurent Aimar's avatar
Laurent Aimar committed
977
        }
978
979
    }

980
    /* Get meta data from users */
981
    p_meta_tmp = InputMetaUser( p_input );
Laurent Aimar's avatar
Laurent Aimar committed
982

983
984
985
    /* Get meta data from master input */
    if( demux2_Control( p_input->input.p_demux, DEMUX_GET_META, &p_meta ) )
        p_meta = NULL;
986

987
988
    /* Merge them */
    if( p_meta == NULL )
gbazin's avatar
gbazin committed
989
    {
990
        p_meta = p_meta_tmp;
gbazin's avatar
gbazin committed
991
    }
992
    else if( p_meta_tmp )
993
    {
994
995
996
997
        vlc_meta_Merge( p_meta, p_meta_tmp );
        vlc_meta_Delete( p_meta_tmp );
    }

998
999
    /* Access_file does not give any meta, and there are no slave */
    if( !b_quick )
1000
    {
1001
1002
1003
1004
        if( !p_input->input.p_access ||
            access2_Control( p_input->input.p_access, ACCESS_GET_META,
                             &p_meta_tmp))
            p_meta_tmp = NULL;
gbazin's avatar
gbazin committed
1005

1006
        if( p_meta == NULL )
1007
        {
1008
1009
1010
1011
1012
1013
            p_meta = p_meta_tmp;
        }
        else if( p_meta_tmp )
        {
            vlc_meta_Merge( p_meta, p_meta_tmp );
            vlc_meta_Delete( p_meta_tmp );
1014
1015
        }

1016
1017
        /* Get meta data from slave input */
        for( i = 0; i < p_input->i_slave; i++ )
1018
        {
1019
1020
1021
1022
            vlc_meta_t *p_meta_slave;

            if( !demux2_Control( p_input->slave[i]->p_demux,
                                 DEMUX_GET_META, &p_meta_slave ) )
1023
            {
1024
1025
1026
1027
1028
1029
1030
1031
1032
                if( p_meta == NULL )
                {
                    p_meta = p_meta_slave;
                }
                else if( p_meta_slave )
                {
                    vlc_meta_Merge( p_meta, p_meta_slave );
                    vlc_meta_Delete( p_meta_slave );
                }
1033
            }
1034
1035
1036
1037

            if( p_input->slave[i]->p_access &&
                !access2_Control( p_input->slave[i]->p_access,
                                  ACCESS_GET_META, &p_meta_slave ) )
1038
            {
1039
1040
1041
1042
1043
1044
1045
1046
1047
                if( p_meta == NULL )
                {
                    p_meta = p_meta_slave;
                }
                else if( p_meta_slave )
                {
                    vlc_meta_Merge( p_meta, p_meta_slave );
                    vlc_meta_Delete( p_meta_slave );
                }
1048
1049
1050
            }
        }
    }
1051
1052

    p_input->p_meta = p_meta;
1053
    UpdateMeta( p_input, b_quick );
1054

1055
1056
    if( !b_quick )
    {
1057
        msg_Dbg( p_input, "`%s' successfully opened",
1058
1059
1060
                 p_input->input.p_item->psz_uri );

    }
1061

1062
1063
    /* initialization is complete */
    p_input->i_state = PLAYING_S;
1064